Finding the Fourth Proportional to 220,936.66, 304,894.73 and 125,445.49
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Solution
The fourth proportional to 220,936.66, 304,894.73 and 125,445.49 is: 173,115.99
Step by Step Solution
- Step 1: Write the proportion equation
220,936.66 : 304,894.73 = 125,445.49 : x - Step 2: Convert to fraction form
220,936.66/304,894.73 = 125,445.49/x - Step 3: Cross multiply
220,936.66x = 304,894.73 × 125,445.49 - Step 4: Simplify right side
220,936.66x = 38,247,668,803.27 - Step 5: Solve for x
x = 38,247,668,803.27/220,936.66 - Step 6: Final answer
x = 173,115.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.